OS Camera for iPhone is a professional camera version with many useful features. It's simple and extremely easy to use .OS Camera is optimized and smooth on all models. - HDR is an advanced shooting function, producing better quality photos when shooting automatically (Auto). However, this function requires you to be more steady when shooting than Auto to get the best quality photos. - Improved portrait mode. - Macro mode: Camera for iPhone takes multiple photos with different focus areas and then stitches them together to give a sharp photo with almost every detail of the subject. Thank you for using our app. Wish you a good day!